Chapter 13 Earth as a System: Energy, Matter, and Life - Part 1

What is Earth's biosphere primarily composed of?

Type: MCQ • Marks: 1
What is Earth's biosphere primarily composed of?
Options
A. Only the solid inner core
B. Only the atmosphere and oceans
C. Only underground rock strata
D. The zone of Earth where life interacts with the lithosphere, hydrosphere, and atmosphere
Explanation
The biosphere encompasses all living organisms and their interacting environments across land, water, and air.
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Class 9th Science (MCQ)

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